9012ACR-1

The Square 9012ACR-1 Explosion Pressure Switch is a crucial safety component designed for use in hazardous locations where the risk of explosions is present. This switch is specifically engineered to comply with the stringent requirements of the Navy Stock Numbering System (NSN) and is ideal for applications in the oil and gas industry, chemical processing plants, and other similar environments.

The Square 9012ACR-1 is a pneumatic, normally closed (NC) explosion pressure switch. It is designed to open an electrical circuit when a predetermined pressure level is reached within a system. This feature is essential in preventing overpressure situations that could potentially lead to catastrophic consequences.

The switch body is made from 316L stainless steel, ensuring durability and resistance to corrosion in harsh environments. The diaphragm is also constructed from 316L stainless steel, while the actuator stem and plunger are made from bronze. These materials provide superior strength and reliability, enabling the switch to withstand the rigors of continuous operation in demanding conditions.

The Square 9012ACR-1 Explosion Pressure Switch is certified for use in Class I, Division 1 and Class I, Division 2 hazardous locations. It conforms to various international standards, including ATEX, IECEx, and NEMA, ensuring its suitability for use in a wide range of applications around the world.

The switch features a pressure range of 3 to 30 psi (0.2 to 2.0 bar), making it suitable for use in a variety of pressure systems. The set pressure can be easily adjusted using the provided Allen wrench, allowing for flexibility in application.

The Square 9012ACR-1 Explosion Pressure Switch comes complete with an NPT threaded inlet and an NPT threaded outlet, enabling easy connection to the system. The switch also includes a test port for pressure testing and maintenance purposes.

This explosion pressure switch is designed for long-lasting performance and reliable operation, even in the most challenging conditions. Its robust construction, compliance with various safety standards, and ease of installation make it an essential safety component for any hazardous location application.

The Square 9012ACR-1 Explosion Pressure Switch is a critical component in various industrial applications, particularly in hazardous locations where safety is paramount. This pressure switch is designed to provide reliable and accurate pressure sensing in potentially explosive environments. Here are some pros and cons of buying this pressure switch:

1. Safety: The primary advantage of the Square 9012ACR-1 Explosion Pressure Switch is its safety features. It is designed to meet the requirements of various safety standards, including ATEX, IECEx, and UL, making it suitable for use in hazardous locations.

2. Reliability: The pressure switch is designed to provide reliable and accurate pressure sensing in harsh environments. It features a rugged construction, including a stainless steel housing and a ceramic sensing element, which ensures long-lasting performance.

3. Versatility: The Square 9012ACR-1 Explosion Pressure Switch can be used in a wide range of industrial applications, including oil and gas production, petrochemical processing, and power generation. It can be configured for various pressure ranges and can be used with different types of process media.

4. Easy to Install: The pressure switch is designed for easy installation, with a simple wiring diagram and clear markings for the various terminals. It can be mounted in a variety of orientations, making it suitable for use in different applications.

1. Cost: The Square 9012ACR-1 Explosion Pressure Switch is more expensive than non-explosion-proof pressure switches due to its safety features and rugged construction. This can make it a more significant investment for some applications.

2. Complexity: Compared to non-explosion-proof pressure switches, the Square 9012ACR-1 Explosion Pressure Switch can be more complex to install and configure due to its safety features and compliance with various safety standards.

3. Maintenance: The pressure switch requires regular maintenance to ensure that it continues to function safely and reliably in hazardous environments. This can include regular inspections, cleaning, and calibration.

The Square 9012ACR-1 Explosion Pressure Switch is an essential component for industrial applications in hazardous locations. Its safety features, reliability, versatility, and ease of installation make it a valuable investment for companies that operate in these environments. However, its cost, complexity, and maintenance requirements are important considerations that should be taken into account when deciding whether to purchase this pressure switch.

If you operate in a hazardous location and require a reliable and accurate pressure switch, the Square 9012ACR-1 Explosion Pressure Switch is an excellent choice. Its safety features, compliance with various safety standards, and rugged construction make it a reliable and cost-effective solution in the long run. However, it is important to consider the additional cost, complexity, and maintenance requirements when making your decision. It may be helpful to consult with a qualified engineer or technical expert to ensure that you select the right pressure switch for your specific application.

Details:

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specifications indusswitch:

• brand: Square D
• mpn: 9012acr-1
• part type: Pressure Switch

shipping indusswitch:

• carrier: usps
• class: standard
• type: fixed
• transit: 5-11 days
• service: usps first class

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• paid by: buyer
• time: 30 days
• method: money back
• policy: returns accepted

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• category: Business & Industrial > Electrical Equipment Supplies > Switches > Accessories

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offer indusswitch:

• availability: in stock
• sold #: 9
• prices: $100.00–$417.57
• item condition:
  • New – Open box
  • Used
• best offers: true
• started: april 24, 2026
• options: ship-to-home
• in stock #: 5

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